Seiko Cal. 7137 - 730

This Hand-Winding model from 1977 features a 46mm Stainless Steel case. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-cec4ba366a2e]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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